* Put info about logs / build products in the DB.

[?]
Oct 28, 2008, 10:18 AM
N22GPKYTOLZLBGTGDATQDVZ4R5APZEAOIA7L32X4UXBH4XNI7MWAC

Dependencies

  • [2] CLXEECMF * Start putting build results in a database.

Change contents

  • file addition: hydra.schema (----------)
    [2.4]
    create table builds (
    id integer primary key autoincrement not null,
    timestamp integer not null, -- time this build was added to the db (in Unix time)
    name text not null,
    description text,
    drvPath text not null,
    outPath text not null,
    buildStatus integer -- 0 = succeeded, 1 = failure, ...
    );
    create table buildProducts (
    buildId integer not null,
    type text not null, -- "nix-build", "file", "doc", "report", ...
    subtype text not null, -- "sources", "rpm", ...
    path text not null,
    primary key (buildId, type, subType),
    foreign key (buildId) references builds(id) on delete cascade -- ignored by sqlite
    );
    create table buildLogs (
    buildId integer not null,
    logPhase text not null,
    path text not null,
    type text not null,
    primary key (buildId, logPhase),
    foreign key (buildId) references builds(id) on delete cascade -- ignored by sqlite
    );
    -- Emulate "on delete cascade" foreign key constraints.
    create trigger cascadeBuildDeletion
    before delete on builds
    for each row begin
    delete from buildLogs where buildId = old.id;
    delete from buildProducts where buildId = old.id;
    end;
  • file addition: scheduler.pl (----------)
    [2.4]
    #! @perl@ -w
    use strict;
    use XML::Simple;
    use DBI;
    use File::Basename;
    my $jobsFile = "../test.nix";
    my $dbh = DBI->connect("dbi:SQLite:dbname=hydra.sqlite", "", "");
    my $jobsXml = `nix-env -f $jobsFile --query --available "*" --attr-path --out-path --drv-path --meta --xml --system-filter "*"`
    or die "cannot evaluate the Nix expression containing the job definitions: $?";
    print "$jobsXml";
    my $jobs = XMLin($jobsXml, KeyAttr => ['attrPath', 'name'])
    or die "cannot parse XML output";
    foreach my $jobName (keys %{$jobs->{item}}) {
    my $job = $jobs->{item}->{$jobName};
    my $description = defined $job->{meta}->{description} ? $job->{meta}->{description}->{value} : "";
    print "JOB: $jobName ($description)\n";
    my $outPath = $job->{outPath};
    my $drvPath = $job->{drvPath};
    if (scalar(@{$dbh->selectall_arrayref("select * from builds where name = ? and outPath = ?", {}, $jobName, $outPath)}) > 0) {
    print " already done\n";
    next;
    }
    my $res = system("nix-build $jobsFile --attr $jobName");
    my $buildStatus = $res == 0 ? 0 : 1;
    $dbh->begin_work;
    $dbh->prepare("insert into builds(timestamp, name, description, drvPath, outPath, buildStatus) values(?, ?, ?, ?, ?, ?)")
    ->execute(time(), $jobName, $description, $drvPath, $outPath, $buildStatus);
    my $buildId = $dbh->last_insert_id(undef, undef, undef, undef);
    print " db id = $buildId\n";
    if ($buildStatus == 0) {
    $dbh->prepare("insert into buildProducts(buildId, type, subtype, path) values(?, ?, ?, ?)")
    ->execute($buildId, "nix-build", "", $outPath);
    my $logPath = "/nix/var/log/nix/drvs/" . basename $drvPath;
    if (-e $logPath) {
    print " LOG $logPath\n";
    $dbh->prepare("insert into buildLogs(buildId, logPhase, path, type) values(?, ?, ?, ?)")
    ->execute($buildId, "full", $logPath, "raw");
    }
    if (-e "$outPath/log") {
    foreach my $logPath (glob "$outPath/log/*") {
    print " LOG $logPath\n";
    $dbh->prepare("insert into buildLogs(buildId, logPhase, path, type) values(?, ?, ?, ?)")
    ->execute($buildId, basename($logPath), $logPath, "raw");
    }
    }
    }
    $dbh->commit;
    }